On Sat, Dec 18, 2010 at 10:56:59AM -0600, Chris Bagwell wrote: > On Sat, Dec 18, 2010 at 10:55 AM, Chris Bagwell <chris@xxxxxxxxxxxxxx> wrote: > > On Sat, Dec 18, 2010 at 8:52 AM, Henrik Rydberg <rydberg@xxxxxxxxxxx> wrote: > >> From: Chase Douglas <chase.douglas@xxxxxxxxxxxxx> > >> > >> Synaptics 2.7 series of touchpads support a mode for reporting 2 sets > >> of X/Y/Pressure data (multi-touch). These same devices default mode > >> report single finger data and do not report finger counts. > >> > >> Enabling MT mode makes finger count reporting start working in same > >> fashion as touchpads that claim that capability. Up to three fingers > >> can be reported this way. > >> > >> While in MT mode and two or three fingers are touching, two sets of > >> data are sent. The first is a new format buffer with lower resolution > >> reporting of stationary finger and the second is standard data format > >> reporting movement. > > > > We should probably update this comment and remove parts that mention > > stationary and movement. It appears to be doing finger tracking and > > first packet is always first touch... except we are getting reports > > that clickpads/integrated button pads may not be consistently like > > this. > > > > Sorry. Not first packet but higher resolution/second packet. Not for all devices, it seems - at least not mine, which is not a clickpad. Henrik -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
